Centric 121.51007 Disc Brake Rotor - Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.51007

The Centric C-TEK Standard Disc Brake Rotor 121.51007 is engineered for reliable braking performance on Hyundai and Kia vehicles, including the Magentis, Optima, and Sonata models. Designed as a solid rotor with a smooth surface, it meets precise specifications to ensure consistent stopping power and durability.

• Compatible with Hyundai Magentis, Kia Optima, and Hyundai Sonata
• Part number 121.51007 for accurate identification
• Solid disc brake rotor with smooth surface finish
• Outside diameter: 10.315 inches (262 mm)
• Nominal thickness: 0.394 inches (10.000 mm)
• Discard thickness: 0.331 inches (8.400 mm)
• Overall height: 2.402 inches (61.000 mm)
• Center hole diameter: 2.996 inches (76.100 mm)
• Mounting bolt hole circle diameter: 4.500 inches (114.300 mm) with 4 lug holes
• Weight approximately 9.5 lbs (4.32 kgs)

Product Line Details: C-TEK Standard Disc Brake Rotors

The C-TEK Standard Disc Brake Rotors line by Centric offers rotors designed to meet or exceed OEM specifications for standard braking applications. This product line focuses on providing solid rotors with smooth surfaces, suitable for everyday driving conditions on compatible Hyundai and Kia models. The 121.51007 rotor maintains consistent thickness and dimensions to ensure proper fitment and reliable braking performance.

Technical Description and Specifications

This disc brake rotor features a solid design with a smooth surface type, optimized for standard braking systems without ABS tone rings. The rotor measures 10.315 inches in outside diameter and has a nominal thickness of 0.394 inches, with a discard thickness of 0.331 inches, indicating when replacement is necessary. The overall height is 2.402 inches, and the center hole diameter is 2.996 inches, ensuring precise alignment during installation. The mounting bolt hole circle diameter is 4.500 inches with four lug holes sized at 0.492 inches in diameter, matching the wheel hub specifications of Hyundai Magentis, Kia Optima, and Hyundai Sonata models. Weighing approximately 9.5 pounds, this rotor balances durability and ease of handling.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Hyundai Magentis, Kia Optima, and Hyundai Sonata
• Addresses brake pulsation or vibration issues caused by uneven rotor surfaces
• Restores proper braking performance when rotor thickness falls below discard limits
• Eliminates noise or squealing related to rotor surface irregularities
• Supports safe braking by maintaining OEM fit and specifications

Installation Notes and Tips

• Ensure rotor thickness is measured before installation to confirm discard limits
• Clean rotor surface and hub mounting area to prevent uneven contact
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Check compatibility with vehicle ABS systems; this rotor does not include an ABS tone ring
• Inspect brake pads and replace if worn to optimize rotor lifespan

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet strict quality standards, ensuring consistent dimensions and material integrity. While specific warranty details for part number 121.51007 should be confirmed with the supplier, Centric typically offers coverage against manufacturing defects. This rotor is produced to provide dependable braking performance for Hyundai and Kia vehicles, supporting safe and effective stopping power.